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Finding the Fourth Proportional to 226,502.20, 339,753.30 and 121,526.20

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Solution

The fourth proportional to 226,502.20, 339,753.30 and 121,526.20 is: 182,289.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,502.20 : 339,753.30 = 121,526.20 : x
  2. Step 2: Convert to fraction form
    226,502.20/339,753.30 = 121,526.20/x
  3. Step 3: Cross multiply
    226,502.20x = 339,753.30 × 121,526.20
  4. Step 4: Simplify right side
    226,502.20x = 41,288,927,486.46
  5. Step 5: Solve for x
    x = 41,288,927,486.46/226,502.20
  6. Step 6: Final answer
    x = 182,289.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.